Posts Tagged ‘ Exploratory Data Analysis ’

A Visual History Of Twitter’s Growth (Updated 2010-08-23)

March 22, 2010
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Download "Getting Started with the Social Media Analytics Research Toolkit" (pdf, 1.25 megabytes) Download the Social Media Analytics Research Toolkit How The Chart Was Made Whenever a Twitter user posts a tweet, an object is created and entered into t...

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Eight R Video Tutorials on VCASMO

February 4, 2010
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Download "Getting Started with the Social Media Analytics Research Toolkit" (pdf, 1.25 megabytes) Download the Social Media Analytics Research Toolkit Thanks to Drew Conway (@drewconway), a PhD student at New York University, there are now eight excell...

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Three Must-Have Books on Data Visualization

February 3, 2010
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Download "Getting Started with the Social Media Analytics Research Toolkit" (pdf, 1.25 megabytes) Download the Social Media Analytics Research Toolkit Disclosure As you probably know, I live in the Portland, Oregon area and have for many years. One of ...

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Data Visualization and R Programming Books (Updated)

January 7, 2010
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Download "Getting Started with the Social Media Analytics Research Toolkit" (pdf, 1.25 megabytes) Download the Social Media Analytics Research Toolkit Download Code Like A Pirate - The #rstats Appliance from the SUSE Gallery Disclosure As you probably ...

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Summarising data using bar charts

December 12, 2009
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Summarising data using bar charts

A bar graph is a frequently used type of display that compares counts, frequencies, totals or other summary measures for a series of categories, e.g. sales in different market sectors or in quarters in a financial year. The bar graph can be laid out with the categories either on the vertical or horizontal axis of

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Creating scatter plots using ggplot2

November 6, 2009
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Creating scatter plots using ggplot2

The ggplot2 package can be used as an alternative to lattice for producing high quality graphics in R. The package provides a framework and hopefully simple interface to producing graphs and is inspired by the grammar of graphics. The main function for producing graphs in this package is qplot, which stands for quick plot. The first

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Investigation the relationship between two variables using a scatter plot

October 13, 2009
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Investigation the relationship between two variables using a scatter plot

The relationship between two variables can be visually represented using a scatter plot and will provide some insight into the correlation between the variables and possible models to describe the relationship. There are different ways to produce scatter plots in R making use of either the base graphics system, the lattice graphics library, ggplot2 or

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